Finding the Fourth Proportional to 166,415.04, 249,408.05 and 144,981.09
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Solution
The fourth proportional to 166,415.04, 249,408.05 and 144,981.09 is: 217,284.75
Step by Step Solution
- Step 1: Write the proportion equation
166,415.04 : 249,408.05 = 144,981.09 : x - Step 2: Convert to fraction form
166,415.04/249,408.05 = 144,981.09/x - Step 3: Cross multiply
166,415.04x = 249,408.05 × 144,981.09 - Step 4: Simplify right side
166,415.04x = 36,159,450,218.87 - Step 5: Solve for x
x = 36,159,450,218.87/166,415.04 - Step 6: Final answer
x = 217,284.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.